Em Mon, Jan 30, 2023 at 11:29:14AM +0530, Sandipan Das escreveu:
> AMD Last Branch Record Extension Version 2 (LbrExtV2) provides branch
> speculation information and the perf UAPI is extended to provide this in
> a generic way. Make perf tool show this additional information.
>
> The UAPI changes can be found in commit 93315e46b000 ("perf/core: Add
> speculation info to branch entries").
>
> Previous versions can be found at:
> v2: https://lore.kernel.org/all/cover.1664356751.git.sandipan.das@amd.com/
> v1: https://lore.kernel.org/all/cover.1660217326.git.sandipan.das@amd.com/
Thanks, applied.
- Arnaldo
> Changes in v3:
> - Drop tools-side UAPI changes as they have already been added by other
> commits.
> - Rebase on top of latest perf/core.
>
> Changes in v2:
> - Drop msr-index.h related changes for now.
> - Rebase on top of latest perf/core.
> - Fix UAPI breakage introduced by the ARM64 BRBE changes to perf branch
> entry.
>
> Sandipan Das (2):
> perf script: Show branch speculation info
> perf session: Show branch speculation info in raw dump
>
> tools/perf/builtin-script.c | 5 +++--
> tools/perf/util/branch.c | 15 +++++++++++++++
> tools/perf/util/branch.h | 2 ++
> tools/perf/util/evsel.c | 15 ++++++++++++---
> tools/perf/util/session.c | 5 +++--
> 5 files changed, 35 insertions(+), 7 deletions(-)
>
> --
> 2.34.1
>
--
- Arnaldo